*{
    padding:0;
    margin:0;
    box-sizing: border-box;
}
.container{
    max-width: 1320px;
}
.main_img{
    position: relative;
}
.main_img img{
    width: 100%;
}
.star_sign a,
.star_sign2 a{
    width: 160px;
    position: absolute;
    bottom:11%;
    right: 548px;
    display: inline-block;
    background-color: #000;
    color: #fff;
    border: 1px #fff solid;
    font-size: 14px;
    text-align: center;
    line-height: 33px;
    text-decoration: none;
    transition: .5s;
}
.star_sign a:hover,
.star_sign2 a:hover{
    background-color: #fff;
    color: #000;
    border: 1px #fff solid;
}
.star_sign2 a{
    position: absolute;
    bottom:16%;
    left: 548px;
}
.main_sign3 a,
.main_sign7 a{
    position: absolute;
    bottom:20%;
    right: 548px;
}
.main_sign4 a{
    position: absolute;
    bottom:22%;
    left: 548px;
}
.main_sign5 a{
    position: absolute;
    bottom:26%;
    right: 548px;
}
.main_sign8 a{
    position: absolute;
    bottom:50%;
    left: 548px;
}

.footer_topcontent .col-md-3 img:hover{
    transform: rotate(360deg);
    transition: .5s;
}





/*手机端*/
@media (max-width: 600px) {
    /* 设置滚动条的样式 */
    ::-webkit-scrollbar {
        width: 0px;
        height: 2px;
        background-color: #f2f2f2;
    }

    /* 滚动槽 */

    /* 滚动条滑块 */
    ::-webkit-scrollbar-thumb {
        background:black;
        border: 2px #000000 solid;
    }
    .star_sign,
    .star_sign2{
        display: none;
    }

}